[mlpack-svn] r10575 - mlpack/trunk/src/mlpack/methods/gmm

[fastlab-svn at coffeetalk-1.cc.gatech.edu]

Author: rcurtin
Date: 2011-12-06 03:58:59 -0500 (Tue, 06 Dec 2011)
New Revision: 10575

Modified:
   mlpack/trunk/src/mlpack/methods/gmm/gmm.hpp
Log:
Issue a warning when an empty GMM is created.


Modified: mlpack/trunk/src/mlpack/methods/gmm/gmm.hpp
===================================================================
--- mlpack/trunk/src/mlpack/methods/gmm/gmm.hpp	2011-12-06 08:38:53 UTC (rev 10574)
+++ mlpack/trunk/src/mlpack/methods/gmm/gmm.hpp	2011-12-06 08:58:59 UTC (rev 10575)
@@ -50,7 +50,14 @@
    */
   GMM() :
     gaussians(0),
-    dimensionality(0) { /* nothing to do */ }
+    dimensionality(0)
+  {
+    // Warn the user.  They probably don't want to do this.  If this constructor
+    // is being used (because it is required by some template classes), the user
+    // should know that it is potentially dangerous.
+    Log::Warn << "GMM::GMM(): no parameters given; Estimate() will fail "
+        << "unless parameters are set." << std::endl;
+  }
 
   /**
    * Create a GMM with the given number of Gaussians, each of which have the